Marine Biology News

October 9, 2025

Top Headlines

The Red Sea That Vanished and the Catastrophic Flood That Brought It Back

Oct. 8, 2025 — Researchers at KAUST have confirmed that the Red Sea once vanished entirely, turning into a barren salt desert before being suddenly flooded by waters from the Indian Ocean. The flood carved deep channels and restored marine life in less than ...

From Gentle Giants to Ghostly Hunters, Sharks Face an Unseen Peril

Oct. 5, 2025 — New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at risk of extinction, could face increased dangers ...

Japan’s Hot Springs Hold Clues to the Origins of Life on Earth

Oct. 3, 2025 — Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot springs, which mimic the ancient oceans, to uncover how ...

The Billion-year Reign of Fungi That Predated Plants and Made Earth Livable

Oct. 1, 2025 — Fungi may have shaped Earth’s landscapes long before plants appeared. By combining rare gene transfers with fossil evidence, researchers have traced fungal origins back nearly a billion years earlier than expected. These ancient fungi may have ...

DNA from Old Ants Reveals a Hidden Insect Apocalypse in Fiji

Sep. 20, 2025 — Insects are essential for ecosystems, but mounting evidence suggests many populations are collapsing under modern pressures. A new study used cutting-edge genomic techniques on museum specimens to track centuries of ant biodiversity across Fiji. The ...

Scientists Just Found Hidden Parasitic Wasps Spreading Across the U. S.

Sep. 15, 2025 — Researchers discovered two new parasitic wasp species living in the U.S., tracing their origins back to Europe and uncovering clues about how they spread. Their arrival raises fresh questions about biodiversity, ecological risks, and the role of ...

Hungry Flathead Catfish Are Changing Everything in the Susquehanna

Sep. 9, 2025 — Flathead catfish are rapidly reshaping the Susquehanna River’s ecosystem. Once introduced, these voracious predators climbed to the top of the food chain, forcing native fish like channel catfish and bass to shift diets and habitats. Using stable ...

The Ocean’s Most Abundant Microbe Is Near Its Breaking Point

Sep. 9, 2025 — Tiny ocean microbes called Prochlorococcus, once thought to be climate survivors, may struggle as seas warm. These cyanobacteria drive 5% of Earth’s photosynthesis and underpin much of the marine food web. A decade of research shows they thrive ...

Salmon’s Secret Superfood Is Smaller Than a Grain of Salt

Sep. 8, 2025 — Tiny diatoms and their bacterial partners act as nature’s nutrient factories, fueling insects and salmon in California’s Eel River. Their pollution-free process could inspire breakthroughs in sustainable farming and ...

Why Most Whale Sharks in Indonesia Are Scarred by Humans

Aug. 28, 2025 — Whale sharks in Indonesia are suffering widespread injuries, with a majority scarred by human activity. Researchers found bagans and boats to be the biggest threats, especially as shark tourism grows. Protecting these gentle giants may be as simple ...

Sharks’ Teeth Are Crumbling in Acid Seas

Aug. 27, 2025 — Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening their effectiveness as hunting weapons and ...

Protected Seas Help Kelp Forests Bounce Back from Heatwaves

Aug. 20, 2025 — Kelp forests bounce back faster from marine heatwaves when shielded inside Marine Protected Areas. UCLA researchers found that fishing restrictions and predator protection strengthen ecosystem resilience, though results vary by ...

Latest Headlines

updated 1:51pm EDT

Glowing Shark and Hidden Crab Found Deep Off Australia

Oct. 9, 2025 — In a stunning glimpse into the mysteries of the deep, scientists have uncovered two new marine species off Western Australia—a glowing lanternshark and a tiny porcelain crab. The discoveries, made ...

Hidden for 70 Million Years, a Tiny Fossil Fish Is Rewriting Freshwater Evolution

Oct. 5, 2025 — Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The ...

Before They Sucked Blood, Leeches Were Ocean Hunters

Oct. 2, 2025 — A 430-million-year-old fossil has rewritten leech history, showing they are at least 200 million years older than previously believed. Unlike today’s bloodsucking leeches, their ancient ancestors ...

Scientists Just Found the Strongest Signs of Life on Mars Yet

Oct. 1, 2025 — Perseverance rover data shows Jezero Crater once held a calm lake, leaving behind mudstones rich in organic-linked minerals. The presence of iron-phosphate and iron-sulfide nodules suggests processes ...

A Pink Bumpy Snailfish Was Just Discovered Miles Beneath the Ocean

Sep. 26, 2025 — Scientists have identified three new species of deep-sea snailfish, including the strikingly pink “bumpy snailfish,” thanks to MBARI’s advanced technology and global collaborations. Found ...

Fish Love Songs Recorded for 12 Years Reveal a Surprising Shift

Sep. 23, 2025 — By recording grouper grunts for 12 years, scientists discovered major shifts in how red hind spawn and compete. Courtship calls once dominated, but territorial sounds have surged, suggesting changes ...

No One Knows What These Strange Larvae Grow Into

Sep. 13, 2025 — Not all barnacles just sit on rocks and ships. Some invade crabs, growing like a parasitic root system that hijacks their bodies. A mysterious group called y-larvae has baffled scientists for over a ...

Fossil Reveals a 310-Million-Year-Old Fish That Ate With a Hidden Second Jaw

Sep. 4, 2025 — Scientists uncovered a 310-million-year-old fish fossil with a “tongue bite,” teeth on the roof and floor of its mouth that worked like a second ...

500-Million-Year-Old “squid” Were Actually Ferocious Worms

Aug. 25, 2025 — A stunning discovery in North Greenland has reclassified strange squid-like fossils, revealing that nectocaridids were not early cephalopods but ancestors of arrow worms. Preserved nervous systems ...

Scientists Found the Missing Nutrients Bees Need — Colonies Grew 15-Fold

Aug. 23, 2025 — Scientists have developed a breakthrough food supplement that could help save honeybees from devastating declines. By engineering yeast to produce six essential sterols found in pollen, researchers ...

Tiny Ancient Whale With a Killer Bite Found in Australia

Aug. 13, 2025 — An extraordinary fossil find along Victoria’s Surf Coast has revealed Janjucetus dullardi, a sharp-toothed, dolphin-sized predator that lived 26 million years ago. With large eyes, slicing teeth, ...

Crushing Vs. Slashing: New Skull Scans Reveal How Giant Dinosaurs Killed

Aug. 5, 2025 — Tyrannosaurus rex might be the most famous meat-eater of all time, but it turns out it wasn’t the only way to be a terrifying giant. New research shows that while T. rex evolved a skull designed ...

Did Drunk Apes Help Us Evolve? New Clues Reveal Why We Digest Alcohol So Well

Aug. 1, 2025 — Ape behavior just got a name upgrade — “scrumping” — and it might help explain why humans can handle alcohol so well. Researchers discovered that African apes regularly eat overripe, ...

Underground Life on Mars? Cosmic Rays Could Make It Possible

Aug. 3, 2025 — Cosmic rays from deep space might be the secret energy source that allows life to exist underground on Mars and icy moons like Enceladus and Europa. New research reveals that when these rays interact ...

Your Nature Photo Might Be a Scientific Breakthrough in Disguise

Aug. 3, 2025 — Every time someone snaps a wildlife photo with iNaturalist, they might be fueling breakthrough science. From rediscovering lost species to helping conservation agencies track biodiversity and ...

400-Million-Year-Old Fish Exposes Big Mistake in How We Understood Evolution

July 29, 2025 — A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed ...

Deep-Sea Fish Just Changed What We Know About Earth’s Carbon Cycle

July 27, 2025 — Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

Bizarre Ancient Creatures Unearthed in the Grand Canyon

Aug. 14, 2025 — A groundbreaking fossil discovery in the Grand Canyon has unveiled exquisitely preserved soft-bodied animals from the Cambrian period, offering an unprecedented glimpse into early life more than 500 ...

DNA from the Deep Reveals a Hidden Ocean “superhighway”

Aug. 7, 2025 — Deep beneath the ocean's surface, a groundbreaking DNA study reveals that the deep sea is far more globally connected than once thought. By analyzing thousands of brittle stars preserved in ...

A 500-Million-Year-Old Fossil Just Rewrote the Spider Origin Story

July 24, 2025 — Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern spiders. Using detailed fossil brain analysis, researchers uncovered neural ...

Scientists Just Uncovered Three Ancient Worlds Frozen Beneath Illinois for 300 Million Years

Aug. 9, 2025 — Over 300 million years ago, Illinois teemed with life in tropical swamps and seas, now preserved at the famous Mazon Creek fossil site. Researchers from the University of Missouri and geologist ...

Selfies, Sugar, and Death: How Tourists Are Endangering Elephants

July 18, 2025 — Tourists feeding wild elephants may seem innocent or even compassionate, but a new 18-year study reveals it s a recipe for disaster. Elephants in Sri Lanka and India have learned to beg for snacks ...

The Heatwave That Shattered Ecosystems, Starved Whales, and Drove Fish North

July 21, 2025 — A scorching marine heatwave from 2014 to 2016 devastated the Pacific coast, shaking ecosystems from plankton to whales and triggering mass die-offs, migrations, and fishery collapses. Researchers ...

Drones Reveal 41,000-Turtle Nesting Mega-Site Hidden in the Amazon

July 29, 2025 — A team at the University of Florida used drones and smart modeling to accurately count over 41,000 endangered turtles nesting along the Amazon’s Guaporé River—revealing the world’s largest ...

Corals in Crisis: A Hidden Chemical Shift Is Reshaping Hawaiian Reefs

July 16, 2025 — Hawaiian coral reefs may face unprecedented ocean acidification within 30 years, driven by carbon emissions. A new study by University of Hawai‘i researchers shows that even under conservative ...

No Training Needed: How Humans Instinctively Read Nature’s Signals

July 10, 2025 — People can intuitively sense how biodiverse a forest is just by looking at photos or listening to sounds, and their gut feelings surprisingly line up with what scientists ...

North America’s Oldest Pterosaur Unearthed in Arizona’s Triassic Time Capsule

July 8, 2025 — In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ...

Hovering Fish Burn Twice the Energy—study Shocks Scientists

July 8, 2025 — Hovering fish aren’t loafing—they burn twice resting energy to make micro-fin tweaks that counteract a natural tendency to tip, and body shape dictates just how costly the pause is. The discovery ...

MIT Scientists Just Supercharged the Enzyme That Powers All Plant Life

July 8, 2025 — Scientists at MIT have turbocharged one of nature’s most sluggish but essential enzymes—rubisco—by applying a cutting-edge evolution technique in living cells. Normally prone to wasteful ...

Why Do Killer Whales Keep Handing Us Fish? Scientists Unpack the Mystery

July 2, 2025 — Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged ...